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Regeneron Pharmaceuticals
REGN

Overview Fund Activity

1,273 hedge funds and large institutions have $58.3B invested in Regeneron Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 517 increasing their positions, 449 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,273
Holders Change
-30
Holders Change %
-2.3%
% of All Funds
17.29%
Holding in Top 10
15
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+7.14%
% of All Funds
0.2%
New
139
Increased
517
Reduced
449
Closed
147
Calls
$974M
Puts
$1B
Net Calls
-$27.6M
Net Calls Change
-$47.5M

Top Buyers

1
Two Sigma Advisers
Two Sigma Advisers
New York
+$351M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
+$248M
3
Two Sigma Investments
Two Sigma Investments
New York
+$214M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$193M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$166M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$889M
2
Capital World Investors
Capital World Investors
California
-$533M
3
Capital International Investors
Capital International Investors
California
-$474M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$381M
5
Morgan Stanley
Morgan Stanley
New York
-$114M
Name Holding Trade Value Shares
Change 		Shares
Change %
KIG
1151
Kessler Investment Group
Indiana
$19K – – –
SS
1152
Sunbelt Securities
Texas
$18.7K -$6.25K -10 -25%
AAG
1153
Armstrong Advisory Group
Massachusetts
$18.5K – – –
BWL
1154
Bogart Wealth LLC
Virginia
$18.4K +$634 +1 +4%
HWA
1155
Heritage Wealth Advisors
Virginia
$17.8K -$18.4K -29 -51%
WPA
1156
West Paces Advisors
Georgia
$17.1K – – –
BAM
1157
Byrne Asset Management
New Jersey
$17.1K +$17.1K +27 New
TWC
1158
TD Waterhouse Canada
Ontario, Canada
$16.6K -$16K -26 -49%
GSWM
1159
Golden State Wealth Management
California
$16.5K – – –
JWA
1160
JFS Wealth Advisors
Pennsylvania
$16.5K -$634 -1 -4%
BL
1161
BFSG LLC
California
$15.9K – – –
EB
1162
Eastern Bank
Massachusetts
$15.9K +$3.17K +5 +25%
MCI
1163
MRP Capital Investments
Georgia
$15.2K – – –
FFA
1164
Frazier Financial Advisors
Ohio
$15.2K – – –
AP
1165
Aspect Partners
Virginia
$14.6K – – –
T
1166
Transce3nd
Texas
$14.6K – – –
HCP
1167
Hexagon Capital Partners
Arkansas
$14K -$4.44K -7 -24%
DJSG
1168
D.J. St. Germain
Massachusetts
$14K +$14K +22 New
S
1169
Sachetta
Massachusetts
$13.3K +$634 +1 +5%
W
1170
WealthCollab
Washington
$12.7K -$18.4K -29 -59%
MAM
1171
Meeder Asset Management
Ohio
$12.7K -$6.34K -10 -33%
HWA
1172
HHM Wealth Advisors
Tennessee
$12.7K – – –
BCM
1173
Berbice Capital Management
New York
$12.7K +$12.7K +20 New
ADL
1174
Asset Dedication LLC
California
$12.1K +$1.9K +3 +19%
CBT
1175
Crews Bank & Trust
Florida
$12.1K – – –
45 46
47
48 49